From Harpoon’s IPO Spears $76M as Prostate Cancer Drug Continues Testing:

Harpoon
Harpoon

Photo by Flickr user Wonderlane
Eskimo man, with harpoon, water and ice, stained glass window, Alaska Pioneer's Home, Anchorage, Alaska
via a Creative Commons license
https://creativecommons.org/licenses/by/2.0/